SILVER SPRING, Md., Oct. 20 -- The U.S. Department of Health & Human Services' Food & Drug Administration issued the following press release:

The U.S. Food and Drug Administration today approved Hibsago (bepirovirsen) injection, in combination with existing antiviral therapy, to treat chronic hepatitis B virus (HBV) infection in certain adults without cirrhosis. Hibsago is the first FDA-approved antisense oligonucleotide to treat chronic hepatitis B.Hibsago is approved for certain adults without cirrhosis who have been taking HBV antiviral therapy for at least six months, have suppressed levels of HBV in their blood and have hepatitis B surface antigen (HBsAg) levels of 3,000 IU/mL or less, as determined by an FDA-authorized test.

"For ma...